from machine import Pin, PWM
import time

buzzer = PWM(Pin(17))
buzzer.duty_u16(0)

notas ={"sol":392,
         "do6":523,
         "mi6":655,
         "otra":790,
         "pausa":1000
         }

melodia=["mi6","mi6","mi6","pausa","do6","pausa","mi6","pausa","otra","pausa","sol"]
duracion=[150,250,250,50,150,20,250,10,250,250,500]
retardo=[70,70,70,20,50,50,10,50,70,50,150,100]

time.sleep(1)
for i in range(len(melodia)):
    if (melodia[i]=="pausa"):
        buzzer.duty_u16(0)
        time.sleep_ms(duracion[i])
    else:
        buzzer.duty_u16(1000)
        buzzer.freq(notas[melodia[i]])
        time.sleep_ms(duracion[i])
        buzzer.duty_u16(0)
    time.sleep_ms(retardo[i])

time.sleep(0.1)
buzzer.duty_u16(0)